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Urticaria

definition

A vascular reaction of the skin characterized by erythema and wheal formation due to localized increase of vascular permeability. Urticaria may be classified into a number of clinical entities according to 'causes' and/ or 'responses'. These types of urticaria include PHYSICAL URTICARIA, CHOLINERGIC URTICARIA, CONTACT URTICARIA, ALLERGIC URTICARIA, DRUG-INDUCED NONIMMUNOLOGICAL URTICARIA and IDIOPATHIC URTICARIA. Physical agents, drugs, foods and food additives, inhalants and infections may provoke urticaria.

synonyms

Urticaria, Nettle-Rash, Hives

UMLS

Hive, Hives, Nettle rash, RASH URTICARIAL, Rash, nettle, Unspecified urticaria, Urticaria, Urticaria NOS, Urticarial rash, Urticarias

images

17 images found for this diagnose localisation: shoulder region, diagnosis: Urticaria localisation: arms, diagnosis: Urticaria diagnosis: Urticaria diagnosis: Urticaria diagnosis: Urticaria diagnosis: Urticaria diagnosis: Urticaria localisation: upper eyelid, diagnosis: Urticaria localisation: upper eyelid, diagnosis: Urticaria diagnosis: Urticaria diagnosis: Urticaria diagnosis: Urticaria diagnosis: Urticaria diagnosis: Urticaria diagnosis: Urticaria diagnosis: Urticaria diagnosis: Urticaria